1.\" Copyright (c) 1980, 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 4. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)w.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD$ 30.\" 31.Dd December 1, 2015 32.Dt W 1 33.Os 34.Sh NAME 35.Nm w 36.Nd "display who is logged in and what they are doing" 37.Sh SYNOPSIS 38.Nm 39.Op Fl -libxo 40.Op Fl dhin 41.Op Fl M Ar core 42.Op Fl N Ar system 43.Op Ar user ... 44.Sh DESCRIPTION 45The 46.Nm 47utility prints a summary of the current activity on the system, 48including what each user is doing. 49The first line displays the current time of day, how long the system has 50been running, the number of users logged into the system, and the load 51averages. 52The load average numbers give the number of jobs in the run queue averaged 53over 1, 5 and 15 minutes. 54.Pp 55The fields output are the user's login name, the name of the terminal the 56user is on, the host from which the user is logged in, the time the user 57logged on, the time since the user last typed anything, 58and the name and arguments of the current process. 59.Pp 60The options are as follows: 61.Bl -tag -width indent 62.It Fl -libxo 63Generate output via 64.Xr libxo 3 65in a selection of different human and machine readable formats. 66See 67.Xr xo_parse_args 3 68for details on command line arguments. 69.It Fl d 70dumps out the entire process list on a per controlling 71tty basis, instead of just the top level process. 72.It Fl h 73Suppress the heading. 74.It Fl i 75Output is sorted by idle time. 76.It Fl M 77Extract values associated with the name list from the specified 78core instead of the default 79.Pa /dev/kmem . 80.It Fl N 81Extract the name list from the specified system instead of the 82default 83.Pa /boot/kernel/kernel . 84.It Fl n 85Do not attempt to resolve network addresses (normally 86.Nm 87interprets addresses and attempts to display them as names). 88When 89.Fl n 90is specified more than once, hostnames stored in utmp are attempted to 91resolve to display them as network addresses. 92.El 93.Pp 94If one or more 95.Ar user 96names are specified, the output is restricted to those users. 97.Sh FILES 98.Bl -tag -width ".Pa /var/run/utx.active" -compact 99.It Pa /var/run/utx.active 100list of users on the system 101.El 102.Sh COMPATIBILITY 103The 104.Fl f , 105.Fl l , 106.Fl s , 107and 108.Fl w 109flags are no longer supported. 110.Sh SEE ALSO 111.Xr finger 1 , 112.Xr ps 1 , 113.Xr uptime 1 , 114.Xr who 1 , 115.Xr libxo 3 , 116.Xr xo_parse_args 3 117.Sh HISTORY 118The 119.Nm 120command appeared in 121.Bx 3.0 . 122.Sh BUGS 123The notion of the 124.Dq current process 125is muddy. 126The current algorithm is 127.Do 128the highest numbered process on the terminal 129that is not ignoring interrupts, or, if there is none, the highest numbered 130process on the terminal 131.Dc . 132This fails, for example, in critical sections of programs like the shell 133and editor, or when faulty programs running in the background fork and fail 134to ignore interrupts. 135(In cases where no process can be found, 136.Nm 137prints 138.Ql \- . ) 139.Pp 140The 141.Tn CPU 142time is only an estimate, in particular, if someone leaves a background 143process running after logging out, the person currently on that terminal is 144.Dq charged 145with the time. 146.Pp 147Background processes are not shown, even though they account for 148much of the load on the system. 149.Pp 150Sometimes processes, typically those in the background, are printed with 151null or garbaged arguments. 152In these cases, the name of the command is printed in parentheses. 153.Pp 154The 155.Nm 156utility does not know about the new conventions for detection of background 157jobs. 158It will sometimes find a background job instead of the right one. 159